<meta charset="utf-8">
(#) TargetSdkVersion Soon Expiring

!!! WARNING: TargetSdkVersion Soon Expiring
   This is a warning.

Id
:   `ExpiringTargetSdkVersion`
Summary
:   TargetSdkVersion Soon Expiring
Severity
:   Warning
Category
:   Compliance
Platform
:   Android
Vendor
:   Android Open Source Project
Feedback
:   https://issuetracker.google.com/issues/new?component=192708
Since
:   3.2.0 (September 2018)
Affects
:   Gradle build files and manifest files
Editing
:   This check runs on the fly in the IDE editor
See
:   https://support.google.com/googleplay/android-developer/answer/113469#targetsdk
See
:   https://developer.android.com/distribute/best-practices/develop/target-sdk.html
Implementation
:   [Source Code](https://cs.android.com/android-studio/platform/tools/base/+/mirror-goog-studio-main:lint/libs/lint-checks/src/main/java/com/android/tools/lint/checks/GradleDetector.kt)
Tests
:   [Source Code](https://cs.android.com/android-studio/platform/tools/base/+/mirror-goog-studio-main:lint/libs/lint-tests/src/test/java/com/android/tools/lint/checks/GradleDetectorTest.kt)

Configuring your app or sdk to target a recent API level ensures that
users benefit from significant security and performance improvements,
while still allowing your app or sdk to run on older Android versions
(down to the `minSdkVersion`).

To update your `targetSdkVersion`, follow the steps from "Meeting Google
Play requirements for target API level",
https://developer.android.com/distribute/best-practices/develop/target-sdk.html.

!!! Tip
   This lint check has an associated quickfix available in the IDE.

(##) Example

Here is an example of lint warnings produced by this check:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~text
build.gradle:6:Warning: Google Play will soon require that apps target
API level 33 or higher. This will be required for new apps and updates
starting on August 31, 2023. [ExpiringTargetSdkVersion]
    targetSdkVersion 31
    -------------------
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Here is the source file referenced above:

`build.gradle`:
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~groovy linenumbers
apply plugin: 'com.android.application'

android {
    defaultConfig {
        // Already meeting last year's requirement but not this year's requirement
        targetSdkVersion 31
        targetSdkVersion 2023 // OK
        targetSdkVersion 2024 // OK
    }
}
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

You can also visit the
[source code](https://cs.android.com/android-studio/platform/tools/base/+/mirror-goog-studio-main:lint/libs/lint-tests/src/test/java/com/android/tools/lint/checks/GradleDetectorTest.kt)
for the unit tests for this check to see additional scenarios.

The above example was automatically extracted from the first unit test
found for this lint check, `GradleDetector.testExpiring2`.
To report a problem with this extracted sample, visit
https://issuetracker.google.com/issues/new?component=192708.

(##) Suppressing

You can suppress false positives using one of the following mechanisms:

* Using a suppression comment like this on the line above:

  ```kt
  //noinspection ExpiringTargetSdkVersion
  problematicStatement()
  ```

* Adding the suppression attribute
  `tools:ignore="ExpiringTargetSdkVersion"` on the problematic XML
  element (or one of its enclosing elements). You may also need to add
  the following namespace declaration on the root element in the XML
  file if it's not already there:
  `xmlns:tools="http://schemas.android.com/tools"`.

* Using a special `lint.xml` file in the source tree which turns off
  the check in that folder and any sub folder. A simple file might look
  like this:
  ```xml
  &lt;?xml version="1.0" encoding="UTF-8"?&gt;
  &lt;lint&gt;
      &lt;issue id="ExpiringTargetSdkVersion" severity="ignore" /&gt;
  &lt;/lint&gt;
  ```
  Instead of `ignore` you can also change the severity here, for
  example from `error` to `warning`. You can find additional
  documentation on how to filter issues by path, regular expression and
  so on
  [here](https://googlesamples.github.io/android-custom-lint-rules/usage/lintxml.md.html).

* In Gradle projects, using the DSL syntax to configure lint. For
  example, you can use something like
  ```gradle
  lintOptions {
      disable 'ExpiringTargetSdkVersion'
  }
  ```
  In Android projects this should be nested inside an `android { }`
  block.

* For manual invocations of `lint`, using the `--ignore` flag:
  ```
  $ lint --ignore ExpiringTargetSdkVersion ...`
  ```

* Last, but not least, using baselines, as discussed
  [here](https://googlesamples.github.io/android-custom-lint-rules/usage/baselines.md.html).

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